11920000

素因数分解:

$2^7\times 5^4\times {\mathrm{149}}^1$

素因数の和:183

約数の個数: 80

約数和(自身を含む): 29873250

約数和(自身を除く): 17953250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 149, 160, 200, 250, 298, 320, 400, 500, 596, 625, 640, 745, 800, 1000, 1192, 1250, 1490, 1600, 2000, 2384, 2500, 2980, 3200, 3725, 4000, 4768, 5000, 5960, 7450, 8000, 9536, 10000, 11920, 14900, 16000, 18625, 19072, 20000, 23840, 29800, 37250, 40000, 47680, 59600, 74500, 80000, 93125, 95360, 119200, 149000, 186250, 238400, 298000, 372500, 476800, 596000, 745000, 1192000, 1490000, 2384000, 2980000, 5960000, 11920000]

約数ペア:

[(1, 11920000), (2, 5960000), (4, 2980000), (5, 2384000), (8, 1490000), (10, 1192000), (16, 745000), (20, 596000), (25, 476800), (32, 372500), (40, 298000), (50, 238400), (64, 186250), (80, 149000), (100, 119200), (125, 95360), (128, 93125), (149, 80000), (160, 74500), (200, 59600), (250, 47680), (298, 40000), (320, 37250), (400, 29800), (500, 23840), (596, 20000), (625, 19072), (640, 18625), (745, 16000), (800, 14900), (1000, 11920), (1192, 10000), (1250, 9536), (1490, 8000), (1600, 7450), (2000, 5960), (2384, 5000), (2500, 4768), (2980, 4000), (3200, 3725)]